Tomorrow, let's celebrate the one-year anniversary of humans discovering Neptune.
One Neptunian year, that is. It takes Neptune about 165 Earth years to circle the sun, and tomorrow is that long from the date that Earthlings first saw the chilly planet. It's way out there. "Light can travel around the earth seven times in a second. It takes four hours to get to Neptune." (via Metafilter)
(Neptune has 13 (THIRTEEN!) moons: Naiad, Thalassa, Despina, Galatea, Larissa, Proteus, Triton, Nereid, Halimede, Sao, Laomedeia, Psamathe, and Neso.) (via Nine Planets)